MORTAR LINING PIPE AND MANUFACTURING METHOD THEREOF

• Main Authors: MORIMOTO KEIJI, TANAKA SHINICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 08.07.2022
• Subjects: APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PIPES; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

To provide a mortar lining pipe capable of suppressing increase of a pH value without causing peeling of a coating film.SOLUTION: A mortar lining pipe 10 has a metal pipe 11, and a mortar layer 12 on the inner peripheral side of the metal pipe, where the mortar layer contains a silane compound, and an acid neutralized product of calcium oxide is present on the inner peripheral surface of the mortar layer.SELECTED DRAWING: Figure 1 【課題】塗膜の剥離が起こらず、ｐＨ値の上昇を抑制することができるモルタルライニング管を提供する。【解決手段】金属管１１と、金属管の内周側にモルタル層１２とを有するモルタルライニング管１０であって、モルタル層はシラン化合物を含有し、モルタル層の内周側の表面に酸化カルシウムの酸中和物が存在する、モルタルライニング管。【選択図】図１